Influence of posture and passive tilting on venous return and cardiac output.
D000818:Animals; D001011:Aorta / Q000502:physiology; D001544:Benperidol / Q000494:pharmacology; D001775:Blood Circulation / Q000502:physiology*; D002302:Cardiac Output / Q000502:physiology*; D004285:Dogs; D004562:Electrocardiography; D005283:Fentanyl / Q000494:pharmacology; D006339:Heart Rate / Q000502:physiology; D008722:Methods; D010424:Pentobarbital / Q000494:pharmacology; D011187:Posture / Q000502:physiology*; D012039:Regional Blood Flow; D012119:Respiration / Q000502:physiology; D014682:Vena Cava, Inferior / Q000502:physiology; D014683:Vena Cava, Superior / Q000502:physiology; D014684:Venae Cavae / Q000502:physiology*
D001544:Benperidol; D010424:Pentobarbital; D005283:Fentanyl